Direct answer
Video calls depend on latency, jitter, packet loss and upload headroom, not just peak download speed. Test during the call from the same location.
What this covers
- The observed symptom matches this record
- Customer-accessible settings, connections and external components
- Diagnosis before reset, deletion or component replacement
What it does not cover
- ×A model-specific error code with a different documented meaning
- ×Internal electrical, battery-cell, gas, refrigeration or sealed-component repair
- ×A guarantee that every model exposes the same control label
Capture the exact symptom
ReversibleNote whether audio, outgoing video or incoming video fails and whether others are uploading.
Run the smallest isolation test
ReversibleUse Ethernet or move near the router, pause large uploads and run a continuous ping or meeting quality test.
Correct only the proven cause
ReversibleCorrect coverage or upload saturation and enable supported queue management/QoS only with measured settings.
Verify before changing anything else
ReversibleComplete a ten-minute test call with stable audio and no packet-loss warning.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What should I check before resetting anything?+
Note whether audio, outgoing video or incoming video fails and whether others are uploading.
What is the safest isolation test?+
Use Ethernet or move near the router, pause large uploads and run a continuous ping or meeting quality test.
When should I stop troubleshooting?+
Escalate persistent wired packet loss to the provider with timestamps and hop evidence.
Answer for the exact device and software version shown above.